Gastroesophageal Reflux Disease
(GERD, Acid Reflux, Heartburn)
Medical Author: Jay W. Marks, MD
Medical Editors: Dennis Lee, MD and Leslie J. Schoenfield, MD, PhD
28 Tips for Nighttime Heartburn Relief
Author: Wendy C. Fries
Medical Editor: Brunilda Nazario, MD
 A bitter taste in the mouth, a
chronic cough, sore throat, fatigue ... if you're waking every morning with
these symptoms of nighttime heartburn, you want relief.
Millions experience heartburn and the more serious condition
gastroesophageal
reflux disease (GERD) daily. And research shows that nighttime heartburn affects
nearly four out of five of heartburn sufferers -- disturbing sleep and impairing
their ability to function the next day.
If you're one of these people, find nighttime heartburn relief with these
simple lifestyle, exercise, and food tips.
12 Food and Drink Tips for Nighttime Heartburn Relief
- Prevent heartburn by limiting acidic foods, such as grapefruit, oranges,
tomatoes, or vinegar
- Spicy foods giving you heartburn? Cut back on pepper or chilies.
- Don't lie down for two to three hours after you eat. When you are sitting up,
gravity helps drain food and stomach acid into your stomach.
- Enjoy lean meats and nonfatty foods. Greasy foods (like French fries and
cheeseburgers) can trigger heartburn.
- Want to avoid GERD symptom triggers? You may want to cut back on chocolate,
mint, citrus, tomatoes, pepper, vinegar, catsup, and mustard.
- Avoid drinks that can trigger reflux, such as alcohol, drinks with caffeine,
and carbonated drinks.
- Size matters: Eat smaller meals and you may avoid triggering GERD symptoms.
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What is GERD (acid reflux)?Gastroesophageal reflux disease, commonly referred to as GERD or acid reflux, is a condition in which the liquid content of the stomach regurgitates (backs up or refluxes) into the esophagus. The liquid can inflame and damage the lining (cause, cause esophagitis) of the esophagus although visible signs of inflammation occur in a minority of patients. The regurgitated liquid usually contains acid and pepsin that are produced by the stomach. (Pepsin is an enzyme that begins the digestion of proteins in the stomach.) The refluxed liquid also may contain bile that has backed-up into the stomach from the duodenum. (The duodenum is the first part of the small intestine that attaches to the stomach.) Acid is believed to be the most injurious component of the refluxed liquid. Pepsin and bile also may injure the esophagus, but their role in the production of esophageal inflammation and damage is not as clear as the role of acid.
GERD is a chronic condition. Once it begins, it usually is life-long. If there is injury to the lining of the esophagus (esophagitis), this also is a chronic condition. Moreover, after the esophagus has healed with treatment and treatment is stopped, the injury will return in most patients within a few months. Once treatment for GERD is begun, therefore, it usually will need to be continued indefinitely although it is argued that in some patients with intermittent symptoms and no esophagitis, treatment can be intermittent and done only during symptomatic periods.
In fact, the reflux of the stomach's liquid contents into the esophagus occurs in most normal individuals. One study found that reflux occurs as frequently in normal individuals as in patients with GERD. In patients with GERD, however, the refluxed liquid contains acid more often, and the acid remains in the esophagus longer. It has also been found that liquid refluxes to a higher level in the esophagus in patients with GERD than normal individuals.
As is often the case, the body has ways (mechanisms) to protect itself from
the harmful effects of reflux and acid. For example, most reflux occurs during
the day when individuals are upright. In the upright position, the refluxed
liquid is more likely to flow back down into the stomach due to the effect of
gravity. In addition, while individuals are awake, they repeatedly swallow,
whether or not there is reflux. Each swallow carries any refluxed liquid back
into the stomach. Finally, the salivary glands in the mouth produce saliva,
which contains bicarbonate. With each swallow, bicarbonate-containing saliva
travels down the esophagus. The bicarbonate neutralizes the small amount of acid
that remains in the esophagus after gravity and swallowing have removed most of
the liquid.
Gravity, swallowing, and saliva are important protective mechanisms for the
esophagus, but they are effective only when individuals are in the upright
position. At night during sleep, gravity is not in effect, swallowing stops,
and the secretion of saliva is reduced. Therefore, reflux that occurs at night
is more likely to result in acid remaining in the esophagus longer and causing
greater damage to the esophagus.
Certain conditions make a person susceptible to GERD. For example, GERD can
be a serious problem during pregnancy. The elevated hormone levels of pregnancy
probably cause reflux by lowering the pressure in the lower esophageal sphincter
(see below). At the same time, the growing fetus increases the pressure in the
abdomen. Both of these effects would be expected to increase reflux. Also,
patients with diseases that weaken the esophageal muscles (see below), such as
scleroderma or mixed connective tissue diseases, are more prone to develop GERD.
Next: What causes GERD? »
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